Global Peace Index 2012
http://www.visionofhumanity.org/globalpeaceindex/2012-gpi-findings/

The world has become more peaceful for the first time since 2009, according to the 2012 Global Peace Index. All regions excluding the Middle East and North Africa saw an improvements in levels of overall peacefulness. The 2012 GPI is the sixth edition of the world’s leading measure of global peacefulness. Produced by the Institute for Economics and Peace, the GPI ranks 158 nations using 23 qualitative and quantitative indicators which gauge ongoing domestic and international conflict, safety and security in society and militarization. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.